47278074 has 8 divisors (see below), whose sum is σ = 94556160. Its totient is φ = 15759356.

The previous prime is 47278009. The next prime is 47278093. The reversal of 47278074 is 47087274.

It is a sphenic number, since it is the product of 3 distinct primes.

47278074 is an admirable number.

It is a super-2 number, since 2×47278074² = 4470432562298952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3939834 + ... + 3939845.

It is an arithmetic number, because the mean of its divisors is an integer number (11819520).

Almost surely, 2^47278074 is an apocalyptic number.

47278074 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47278074 is a wasteful number, since it uses less digits than its factorization.

47278074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7879684.

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 47278074 is about 6875.9053222103. The cubic root of 47278074 is about 361.5929258037.

The spelling of 47278074 in words is "forty-seven million, two hundred seventy-eight thousand, seventy-four".